///var  speed =200;//滚动速度
//获取需要处理的DOM元素
///var scroll_begin =document.getElementById("scroll_begin");
///var  scroll_end =document.getElementById("scroll_end");
//var scroll_box =document.getElementById("scroll_box");
//复制图片元素
//scroll_end.innerHTML =scroll_begin.innerHTML;
//设置滚动区域

//function marquee() {if (scroll_box.scrollTop>=scroll_end.offsetHeight){
   //scroll_box.scrollTop = 0;
//}else{
   // scroll_box.scrollLeft++;
//}
    //var interval = setInterval(marquee,speed);
   // scroll_box.onmouseover = function(){
        //clearInterval(interval);
   // }
   // scroll_box.onmouseout = function(){
       // interval = setInterval(marquee,speed);
    //}
//}







